What supplements have evidence for lowering homocysteine?

Folate (folic acid), vitamin B12, and vitamin B6 effectively lower homocysteine levels, with folate being the most potent. A combination of folate (400–800 mcg), B12 (500 mcg), and B6 (25 mg) can reduce homocysteine by 20–30%. However, whether lowering homocysteine with B vitamins reduces cardiovascular events remains debated.

Can B vitamin supplements alone reduce cardiovascular risk from high homocysteine?

B vitamins effectively lower homocysteine levels, but most large RCTs have not shown that this translates to reduced cardiovascular events in Western populations. The CSPPT trial in China (where food fortification is absent) did show stroke reduction with folic acid. The clinical significance may depend on baseline folate status and population.

When should someone with elevated homocysteine see a doctor?

Consult a doctor if homocysteine is above 15 micromol/L. Elevated homocysteine may indicate B12 or folate deficiency, kidney disease, or genetic conditions like MTHFR mutations. A comprehensive evaluation including B12, folate, kidney function, and cardiovascular risk assessment is important for determining the best management approach.

Elevated Homocysteine (Hyperhomocysteinemia)
Elevated Homocysteine (Hyperhomocysteinemia)

Yaygınlık: 5-10% of general population; up to 30-40% of elderly

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Evidence-Ranked Ingredients

İçerik	Derece	Çalışmalar	Yön
Folate (Vitamin B9)	B	30	Positive	Görüntüle →

About

Elevated plasma homocysteine levels (>15 micromol/L) resulting from impaired one-carbon metabolism. Homocysteine directly damages endothelial cells, promotes LDL oxidation, and activates pro-thrombotic pathways. An independent risk factor for cardiovascular disease and stroke.

Common Symptoms

Usually asymptomatic Associated with premature atherosclerosis Thromboembolism

Risk Factors

Folate/B12/B6 deficiency
MTHFR C677T polymorphism
Chronic kidney disease
Hypothyroidism
Certain medications (methotrexate, phenytoin)
Advancing age

Frequently Asked Questions

What supplements may help with Elevated Homocysteine (Hyperhomocysteinemia)?

Based on peer-reviewed research, supplements with the strongest evidence for Elevated Homocysteine (Hyperhomocysteinemia) include Folate (Vitamin B9). These have earned Grade A or B ratings from our analysis of clinical studies. Always consult your healthcare provider before starting any supplement.

How is the evidence for Elevated Homocysteine (Hyperhomocysteinemia) supplements graded?

We grade supplements on an A-F scale based on clinical study quality, consistency of results, sample sizes, and study design. Grade A indicates strong evidence from multiple clinical trials, while Grade D indicates preliminary evidence requiring further research.

How many studies on Elevated Homocysteine (Hyperhomocysteinemia) supplements have been reviewed?

Our evidence grades for Elevated Homocysteine (Hyperhomocysteinemia) are based on a total of 30 peer-reviewed studies across 1 ingredients. Studies are sourced from PubMed and include randomized controlled trials, meta-analyses, and other clinical research.

What are common symptoms of Elevated Homocysteine (Hyperhomocysteinemia)?

Common symptoms associated with Elevated Homocysteine (Hyperhomocysteinemia) include Usually asymptomatic, Associated with premature atherosclerosis, Thromboembolism. If you are experiencing these symptoms, consult a healthcare professional for proper diagnosis and treatment options.

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Coronary Artery Disease (CAD)

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